1,赶走恶魔的方法任务1蚂蚁洞3中间2蝙蝠洞左下3幽深蚂蚁洞2左上4冰独眼兽洞穴1右上5冰独眼兽洞穴1中下6冰独眼兽洞穴2中上蚂蚁洞一直往里走就可以了寺院的蝙蝠是有时间限制的6个小时出1次,找不到的话只有不停的换频道找`2,分解因式x2y2y14要详细过程x^2-y^2-y-1/4=x^2-(y^2+y+1/4)=x^2-(y+1/2)^2=[x+(y+1/2)][x-(y+1/2)]=(x+y+1/2)(x-y-1/2)x平方-y平方+y-1/4=x2-(y2-y+1/4)=x2-(y-1/2)2=(x